/*
 *  Copyright 2017 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

package org.webrtc;

import java.util.Arrays;
import java.util.Locale;
import java.util.Map;

/**
 * Represent a video codec as encoded in SDP.
 */
public class VideoCodecInfo {
    // Keys for H264 VideoCodecInfo properties.
    public static final String H264_FMTP_PROFILE_LEVEL_ID = "profile-level-id";
    public static final String H264_FMTP_LEVEL_ASYMMETRY_ALLOWED = "level-asymmetry-allowed";
    public static final String H264_FMTP_PACKETIZATION_MODE = "packetization-mode";

    public static final String H264_PROFILE_CONSTRAINED_BASELINE = "42e0";
    public static final String H264_PROFILE_CONSTRAINED_HIGH = "640c";
    public static final String H264_LEVEL_3_1 = "1f"; // 31 in hex.
    public static final String H264_CONSTRAINED_HIGH_3_1 =
            H264_PROFILE_CONSTRAINED_HIGH + H264_LEVEL_3_1;
    public static final String H264_CONSTRAINED_BASELINE_3_1 =
            H264_PROFILE_CONSTRAINED_BASELINE + H264_LEVEL_3_1;

    public final String name;
    public final Map<String, String> params;
    @Deprecated
    public final int payload;

    @CalledByNative
    public VideoCodecInfo(String name, Map<String, String> params) {
        this.payload = 0;
        this.name = name;
        this.params = params;
    }

    @Deprecated
    public VideoCodecInfo(int payload, String name, Map<String, String> params) {
        this.payload = payload;
        this.name = name;
        this.params = params;
    }

    @Override
    public boolean equals(  Object obj) {
        if (obj == null)
            return false;
        if (obj == this)
            return true;
        if (!(obj instanceof VideoCodecInfo))
            return false;

        VideoCodecInfo otherInfo = (VideoCodecInfo) obj;
        return name.equalsIgnoreCase(otherInfo.name) && params.equals(otherInfo.params);
    }

    @Override
    public int hashCode() {
        Object[] values = {name.toUpperCase(Locale.ROOT), params};
        return Arrays.hashCode(values);
    }

    @CalledByNative
    String getName() {
        return name;
    }

    @CalledByNative
    Map getParams() {
        return params;
    }


}
